javaextensions/location/landmarks/inc/clapilandmarkstoremanager.h
branchRCL_3
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     1 /*
       
     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Handles native landmark databases
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef CLAPILANDMARKSTOREMANAGER_H
       
    20 #define CLAPILANDMARKSTOREMANAGER_H
       
    21 
       
    22 // EXTERNAL INCLUDES
       
    23 #include    <e32std.h>
       
    24 #include    <e32base.h>
       
    25 #include    <badesca.h>
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 class CPosLmDatabaseManager;
       
    29 class CLAPILandmarkStore;
       
    30 
       
    31 /**
       
    32  * Handles native landmark stores
       
    33  *
       
    34  * Wrapper class for CPosLmDatabaseManager. This class handles native landmark
       
    35  * stores (i.e. opens, creates and deletes them and provides an access to list
       
    36  * the databases via the JSR-179 Location API)
       
    37  *
       
    38  * The manager keeps track of the opened stores and closes an opened store
       
    39  * if the client ties to delete it. It is also possible to list available
       
    40  * landmark stores via this class
       
    41  *
       
    42  * @lib N/A
       
    43  * @since S60 3.2
       
    44  */
       
    45 NONSHARABLE_CLASS(CLAPILandmarkStoreManager) : public CBase
       
    46 {
       
    47 public: // Constructors and destructor
       
    48 
       
    49     /**
       
    50      * Two-phased constructor. Creates an instance from this class
       
    51      * The caller takes the ownership of the returned instance
       
    52      * @return New instance from this class
       
    53      */
       
    54     static CLAPILandmarkStoreManager* NewL();
       
    55 
       
    56     /**
       
    57      * Two-phased constructor. Creates an instance from this class
       
    58      * The caller takes the ownership of the returned instance which
       
    59      * is left to the cleanup stack
       
    60      * @return New instance from this class
       
    61      */
       
    62     static CLAPILandmarkStoreManager* NewLC();
       
    63 
       
    64     /**
       
    65      * Destructor.
       
    66      */
       
    67     virtual ~CLAPILandmarkStoreManager();
       
    68 
       
    69 public: // New functions
       
    70 
       
    71     /**
       
    72      * Lists all landmark stores which are available in the file system
       
    73      * of the device. External landmark stores and the default store
       
    74      * are not included in the array
       
    75      *
       
    76      * @return Array of non-default landmark stores. The caller takes
       
    77      *         the ownership of the returned value
       
    78      */
       
    79     CDesCArray* LandmarkStoresL();
       
    80 
       
    81     /**
       
    82      * Opens an existing landmark store. The store URI points the
       
    83      * path where the store is so it should be in the following form
       
    84      *      - <schema>://<path>
       
    85      *      - <drive letter>:<path>
       
    86      * This function will leave if there is no database in the specified URI
       
    87      * or if the URI of the database is not correct
       
    88      *
       
    89      * The caller takes the ownership of the opened store object
       
    90      *
       
    91      * @param aStoreUri URI where the store lies
       
    92      * @return A pointer to the opened store. The ownership is transferred
       
    93      *         to the caller
       
    94      */
       
    95     CLAPILandmarkStore* OpenStoreL(const TDesC& aStoreUri = KNullDesC);
       
    96 
       
    97     /**
       
    98      * Creates a landmark store to the specified URI. Note that the
       
    99      * URI must be in one of the following forms:
       
   100      *      - <schema>://<path>
       
   101      *      - <drive letter>:<path>
       
   102      *
       
   103      * The operation leaves with KErrAlreadyExists if there is a store
       
   104      * in the specified URI
       
   105      *
       
   106      * @param aStoreUri URI where the store should be created
       
   107      */
       
   108     void CreateStoreL(const TDesC& aStoreUri);
       
   109 
       
   110     /**
       
   111      * Removes an existing landmark database from the specified URI
       
   112      * Note that the URI must be in one of the following forms:
       
   113      *      - <schema>://<path>
       
   114      *      - <drive letter>:<path>
       
   115      *
       
   116      * Note that any open stores will be closed and are not usable
       
   117      * any more. All operations to a closed store will leave with
       
   118      * KErrSessionClosed
       
   119      *
       
   120      * @param aStoreUri URI where the store lies
       
   121      */
       
   122     void DeleteStoreL(const TDesC& aStoreUri);
       
   123 
       
   124     /**
       
   125      * Removes a landmark store native side peer from this class
       
   126      * The object will not be deleted since it is owned by its
       
   127      * Java side counterpart
       
   128      *
       
   129      * @param aLandmarkStore The landmark store object which should be
       
   130      *        removed
       
   131      */
       
   132     void RemoveStore(CLAPILandmarkStore& aLandmarkStore);
       
   133 
       
   134 protected: // Constructors
       
   135 
       
   136     /**
       
   137      * Default C++ constructor
       
   138      */
       
   139     CLAPILandmarkStoreManager();
       
   140 
       
   141     /**
       
   142      * Second phase constructor
       
   143      */
       
   144     void ConstructL();
       
   145 
       
   146 private: // Data
       
   147 
       
   148     // Database manager. Owned
       
   149     CPosLmDatabaseManager* iLmDbManager;
       
   150     // Array of landmark stores. The objects are NOT owned
       
   151     RPointerArray< CLAPILandmarkStore> iStores;
       
   152 
       
   153 };
       
   154 
       
   155 #endif // CLAPILANDMARKSTOREMANAGER_H
       
   156 // End of file